Database: Wind Shock Analysis
Event ID: 19973570109
Observation time: 12/23/1997 357.04797 0109 [UT]
|
|
General
Information (About, Top)
| Year |
1997 |
| Fractional day of year |
357.047969 |
| Arrival time of shock [seconds of day] |
4144.5 ± 12.0 |
| Shock type |
FF |
| Electron data availability |
0 |
X GSE location of spacecraft [Re] |
218.598 |
| Y GSE location of spacecraft [Re] |
17.808 |
| Z GSE location of spacecraft [Re] |
11.312 |
| Upstream plasma points selected for analysis |
0011 |
| Upstream field points selected for analysis |
0337 |
| Downstream plasma points selected for analysis |
0012
|
| Downstream field points selected for analysis |
0380 |
| Minimum chisq/dof for RH8,RH9,RH10 |
12.14, 16.44, 16.58 |
Event added to database
|
Mon Feb 14 11:05:40 2005
|
Event last processed
|
Mon Mar 30 17:23:03 2009
|
Method selected
|
RH09
|
Propagation delay to Earth [minutes]
|
71.886 ± 0.819
|
Asymptotic
plasma
parameters (About, Top)
|
Parameter
|
Upstream
|
Downstream
|
| Vx GSE [km/s] |
-296.8 ± 0.9 |
-304.8 ± 0.6 |
| Vy GSE [km/s] |
-4.8 ± 0.5 |
0.8 ± 1.2 |
| Vz GSE [km/s] |
-1.6 ± 0.9 |
10.1 ± 1.1 |
| Wi [km/s] |
15.3 ± 0.3 |
16.7 ± 0.2 |
| We [km/s] |
484.0 ± 8.9 |
527.9 ± 7.4 |
| Ni [n/cc] |
15.1 ± 0.4 |
21.5 ± 0.7 |
| Bx GSE [nT] |
-1.6 ± 0.3 |
-2.6 ± 0.1 |
| By GSE [nT] |
0.7 ± 0.3 |
-0.0 ± 0.1 |
| Bz GSE [nT] |
0.0 ± 0.5 |
-1.1 ± 0.2 |
Plasma Beta
|
2.187 ± 2.002
|
1.563 ± 1.594
|
Sound Speed [km/s]
|
19.76 ± 0.36
|
21.55 ± 0.30
|
Alfven Speed [km/s]
|
10.49 ± 0.92
|
13.37 ± 0.32
|
Best values of
shock
front normal for each method (About, Top)
| Method |
Nx |
Ny |
Nz |
Theta [degrees] |
Phi [degrees] |
| MC |
-0.760 ± 0.096 |
0.612 ± 0.117 |
0.218 ± 0.215 |
12.59 ± 9.44 |
141.19 ± 8.64 |
| VC |
-0.529 ± 0.067 |
0.364 ± 0.079 |
0.767 ± 0.561 |
50.06 ± 4.01 |
145.44 ± 7.85 |
| MX1 |
-0.787 ± 0.102 |
0.455 ± 0.104 |
0.416 ± 0.390 |
24.58 ± 13.78 |
149.97 ± 6.66 |
| MX2 |
-0.793 ± 0.084 |
0.313 ± 0.083 |
0.523 ± 0.469 |
31.55 ± 9.22 |
158.44 ± 5.54 |
| MX3 |
-0.785 ± 0.087 |
0.232 ± 0.107 |
0.574 ± 0.501 |
35.06 ± 8.49 |
163.56 ± 7.65 |
| RH08 |
-0.840 ± 0.006 |
0.315 ± 0.012 |
0.441 ± 0.410 |
26.19 ± 0.58 |
159.44 ± 0.82 |
| RH09 |
-0.999 ± 0.003 |
0.026 ± 0.067 |
-0.039 ± 0.039 |
-2.24 ± 3.28 |
178.50 ± 3.83 |
| RH10 |
-0.999 ± 0.003 |
0.026 ± 0.067 |
-0.039 ± 0.039 |
-2.24 ± 3.36 |
178.50 ± 3.82 |
| Average |
-0.812 |
0.293 |
0.358 |
21.944 |
159.379 |
| Median |
-0.787 |
0.315 |
0.441 |
26.189 |
159.443 |
| Deviation |
0.149 |
0.200 |
0.289 |
18.272 |
13.954 |
Key shock
parameters (About, Top)
| Method |
ThetaBn |
Shock Speed |
Compression |
| MC |
22.6 ± 12.5 |
263.5 ± 3.8 |
1.42 ± 0.04 |
| VC |
48.9 ± 17.8 |
205.7 ± 5.1 |
1.42 ± 0.04 |
| MX1 |
26.0 ± 14.6 |
277.3 ± 4.4 |
1.42 ± 0.04 |
| MX2 |
32.0 ± 13.7 |
281.3 ± 4.8 |
1.42 ± 0.04 |
| MX3 |
36.1 ± 13.0 |
279.8 ± 5.0 |
1.42 ± 0.04 |
| RH08 |
28.2 ± 11.8 |
293.7 ± 4.6 |
1.42 ± 0.04 |
| RH09 |
27.5 ± 11.9 |
322.3 ± 3.6 |
1.42 ± 0.04 |
| RH10 |
27.5 ± 11.9 |
322.3 ± 3.6 |
1.42 ± 0.04 |
| Average |
31.1 |
280.7 |
1.42 |
| Median |
28.2 |
281.3 |
1.42 |
| Deviation |
8.3 |
37.0 |
0.00 |
Upstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
41.0 ± 0.8 |
9.4 ± 0.8 |
9.7 ± 0.8 |
20.3 ± 0.3 |
4.39 ± 0.45 |
2.02 ± 0.05 |
| VC |
51.7 ± 1.0 |
6.3 ± 0.5 |
6.9 ± 0.6 |
21.5 ± 0.3 |
8.21 ± 0.73 |
2.41 ± 0.06 |
| MX1 |
46.5 ± 0.9 |
9.1 ± 0.7 |
9.4 ± 0.8 |
20.4 ± 0.3 |
5.14 ± 0.52 |
2.27 ± 0.05 |
| MX2 |
48.4 ± 1.0 |
8.5 ± 0.7 |
8.9 ± 0.8 |
20.7 ± 0.3 |
5.75 ± 0.56 |
2.34 ± 0.05 |
| MX3 |
48.8 ± 1.0 |
8.0 ± 0.6 |
8.5 ± 0.7 |
20.9 ± 0.3 |
6.14 ± 0.59 |
2.34 ± 0.06 |
| RH8 |
46.6 ± 1.0 |
8.9 ± 0.7 |
9.2 ± 0.8 |
20.5 ± 0.3 |
5.28 ± 0.53 |
2.27 ± 0.05 |
| RH9 |
25.9 ± 0.9 |
9.0 ± 0.7 |
9.3 ± 0.8 |
20.5 ± 0.3 |
2.91 ± 0.32 |
1.26 ± 0.05 |
| RH10 |
25.9 ± 0.9 |
9.0 ± 0.7 |
9.3 ± 0.8 |
20.5 ± 0.3 |
2.91 ± 0.32 |
1.26 ± 0.05 |
| Average |
41.8 |
8.5 |
8.9 |
20.7 |
5.1 |
2.0 |
| Median |
46.6 |
9.0 |
9.3 |
20.5 |
5.3 |
2.3 |
| Deviation |
10.3 |
1.0 |
0.9 |
0.4 |
1.7 |
0.5 |
Downstream wave speeds
and
mach numbers (About, Top)
|
Method
|
dV
|
Slow
|
Intermediate
|
Fast
|
Slow
Mach
|
Fast
Mach
|
| MC |
29.0 ± 0.7 |
11.9 ± 0.2 |
12.3 ± 0.3 |
22.4 ± 0.3 |
2.45 ± 0.08 |
1.29 ± 0.04 |
| VC |
36.5 ± 0.9 |
7.8 ± 0.1 |
8.8 ± 0.2 |
24.1 ± 0.2 |
4.65 ± 0.13 |
1.51 ± 0.04 |
| MX1 |
32.8 ± 0.7 |
11.4 ± 0.2 |
12.0 ± 0.3 |
22.6 ± 0.3 |
2.86 ± 0.08 |
1.45 ± 0.04 |
| MX2 |
34.1 ± 0.8 |
10.6 ± 0.2 |
11.3 ± 0.3 |
23.0 ± 0.2 |
3.22 ± 0.08 |
1.48 ± 0.04 |
| MX3 |
34.5 ± 0.8 |
10.0 ± 0.2 |
10.8 ± 0.3 |
23.3 ± 0.2 |
3.45 ± 0.09 |
1.48 ± 0.04 |
| RH8 |
32.9 ± 0.7 |
11.1 ± 0.2 |
11.8 ± 0.3 |
22.8 ± 0.2 |
2.95 ± 0.07 |
1.44 ± 0.04 |
| RH9 |
18.2 ± 0.6 |
11.2 ± 0.2 |
11.9 ± 0.3 |
22.7 ± 0.2 |
1.62 ± 0.05 |
0.80 ± 0.03 |
| RH10 |
18.2 ± 0.6 |
11.2 ± 0.2 |
11.9 ± 0.3 |
22.7 ± 0.2 |
1.62 ± 0.05 |
0.80 ± 0.03 |
| Average |
29.5 |
10.7 |
11.3 |
23.0 |
2.9 |
1.3 |
| Median |
32.9 |
11.2 |
11.9 |
22.8 |
3.0 |
1.4 |
| Deviation |
7.3 |
1.3 |
1.1 |
0.5 |
1.0 |
0.3 |
Survey interval (About, Top)
Selected
data (About, Top)
|
Key plasma parameters
|
Velocity
|
Magnetic Field
|
Simple
Methods
(About, Top)
Rankine Chi^2
Contour (About, Top)
Shock
Speed (About, Top)
Theta Bn (About, Top)
Mach Numbers (About, Top)
Page updated Fri Jun 13 11:06:02 2014
Michael L Stevens
(mstevens@cfa.harvard.edu)
| 
